529 Annual Contribution Limits 2024. 529 contribution limits are set by states and range from $235,000 to $575,000. In 2024, the annual 529 plan contribution limit rises to $18,000 per contributor.

Contribution limits for 529 plans range from around $235,000 on the low end to more than $550,000 per beneficiary. If you are an account owner and also an iowa taxpayer, you can deduct up to $5,500 of your contributions per beneficiary account, including rollovers, from your iowa income.